package com.zwt.workms.config;

import org.springframework.web.servlet.HandlerInterceptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

//登陆处理拦截器
public class loginhandlerInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //登陆成功后有用户的session

        Object loginUser = request.getSession().getAttribute("loginUser");

        System.out.println();
        if (loginUser == null) {
            //request对象是从客户端向服务器发出请求
            request.setAttribute("msg", "没有权限，请先登陆");

            //修改bug----这个地方的路径：没有   "/"
            request.getRequestDispatcher("index.html").forward(request, response);
            return false;
        } else {
            return true;
        }
    }
}
